Bones◦ Humerus
◦ Radius
◦ Ulna
Medial Collateral- Ulnar
Lateral Collateral-Radial
Annular Ligament Anterior Capsule
Biceps Brachii Brachialis Brachio Radialis Triceps Flexors Extensors Pronator Teres Supinator Teres
Inserts on Radial Tuberosity
Has two heads (Long and Short)
Supinates and Flexes theElbow
Inserts on the radial Tuberosity
Flexes the elbow
Origin on the distal lateral epicondyleto the styloid process of the distal radius.
Only muscle to go distal to distal
Elbow Flexor
2 Jointed muscle with three heads of orgin
Long Head crosses the shoulder joint
Inserts on the olecranon process of the ulna
Assists in shoulder extension
Elbow extensor
Originate on the lateral epicondyle
Flexor Carpi Ulnaris Flexor Carpi
Radialis Flexor Pollicis
Longus Palmaris Longus
Pronator Teres
Supinator Teres
Fractured Humeral Shaft Medical Collateral Ligament Sprain Avulsion of Medial Epicondyle Traumatic Elbow Olecranon Bursitis Radial Humeral Bursitis Tennis Elbow Dislocated Elbow Hyperexteded Elbow Ulnar Nerve Contusion
Can Involve Brachial Artery
Volkmans Fx
Medical Emergency
Injured by falling on out-stretched arm
Could also strain the flexor tendons
Occurs in 9-14 year olds
“Little League Elbow”
May require surgical pinning
“Pitchers Elbow”
Caused by bone hitting bone (radius/humerus)
Damages medial portion of the elbow
Can be injured by falling on elbow
Swelling is isolated and looks like a bubble
Common name “tennis elbow”
Pain over the lateral epicondyle
Treatment is modalities, anti-inflammatories, elbow strap, cortizone injections.
Difficult to reduce
Caused by landing on outstretched arm or getting hit
Ulna dislocates posteriorly
Gross Deformity
Medical Emergency